Dyeing machine with pivoting vat



Aug. T8, 193.1.

E. CONSTANT ET AL 1,819,229

DYEING MACHINE WITH PIVOTING VAT Filed Deo. l2, 1928 2 Sheets-Sheet l E7/65N; CONSTA/vr AOU/5 BY y.

NTANT A T To ENE V5 DYEING MACHINE WITH PIVOTING VAT Filed Dec. l2, 1928 2 Sheets-Sheet 2 /NVENTO/as EUGEE CONSTA/vr 0f/5 CoA/s A T To ,e NEYS' Patented Aug. 18, 1.931

UNITED STATESv PATENT OFFICE D YEING MACHINE WITH PIVOTING VAT Application filed December 12, 1928, Serial No. 325,441, and in Great Britain February 27, 1928.

The present invention relates to a dyeing lnachine distinguished by the feature that it enables a piece of cloth to be dyed in an automatic manner with a better result 'than those at present obtained by the methods currently employed, this effect being obtained with a great simplicity in the means which obvia-tes all hand labour during the dyeing operation.

Figures 1 and 2 in the accompanying drawings relate to this machine as it has been constructed for attaining the object in View.

Figurel is a side View of the machine showing its operation.

Figure 2 is a front view, partly in section, of the same machine.

Referring to these figures it is seen that the machine is essentially composed of a vat 1 which will preferably be constructed of copper but which may, Without changing the invention, be made of any otherA material, for example, of wood.

The vat 1 comprises upon its front and back Walls angles 2 which are obtained in such a Way that they form a more or less pronounced hollow towards the interior of the said vat. At the lower part of the vat is a part 3 of any shape separated from the vat proper 1 by a grating 3 adapted to receive the admission of steam. This arrangement moreover exists in dyeing vats cmployed at the present time.

The upper part of the vat 1 (see Figure 1) is partly closed by side plates 4, 4 straight or concave in the interior, which fqrm with the junction of the walls a fairly pronounced rounded angle.

The machine is further formed by a frame or arrangement of standards 5, 5 supporting the whole arrangement and allowing the vat 1 a to and fro swinging movement.

This to and fro swinging motion (see position shown in dotted ,lines in Figure l) may be obtained by any mechanical means whatever. By way of example, in the accompanying figures, there have been shown the bearings 6, 6 mounted upon the vat itself, the shaft 7 receiving the motion from the drive through the pulley 8 and the gears 9 and l0. The gear 9 transforms the rotary motion thereof into reciprocating motion through a series of links 11, 12 and 13, the said reciprocating motion being transmitted to the vat.

An elastic arrangement formed by springs 14, 14 secures an easy adjustment of the members determining the swinging of the vat, while preventing impacts which would of necessity be produced by the displacement of the liquid and of the materials contained in the said vat. Further, projections 15,-which are mounted in openings formed in re-inforcing plates on the sides of the vat, are pierced with holes 15 to permit the steam to escape without it being possible for liquid to be lost or thrown out of the bath of dye.

The operation is as follows The vat having been suitably filled with dye the piece of cloth which it is desired to treat or dye is inserted at the upper part 16 closed by a cover. Then after having closed the cover again the apparatus is put into movement. The vat then makes a to and fro swinging motion as indicated in dotted lines in Fig. 1. The water contained in the interior of the vat is thus continually shaken up for it is compelled to follow the same to and fro movement. During its displacement it carries with it the piece of cloth which meets the angles 2 on the walls and in doing so the water forms into a wave. This contact with the angles 2 also compels the piece of cloth to open and consequently all portions of this piece of cloth are subjected to the action of the dye. The acute angle formed at the top concave part where the side plates 4 meet the Walls further increases or augmen-ts the action of the angles 2 since it compels the Water contained in the interior of the vat to form a surflike wave which falls upon the cloth thereby keeping itfrom entering the acute angle and at the same time having a tendency to cause it tounfold. This movement is reproduced in turn upon each of the walls of the vat.

A suitable device permits the entry of the steam into the part. 3 of the vat through the tube 17 which are made suitably fluid tight by any .suitable means.

The dyeingoperation is effected in exactly the same manner as in known processes but use is made of much smaller quantities of water, steam and dye stuff, the effect of which is to reduce the cost of the dyeing operation while giving uniformity. ThisI machine has tliefurther advantage of eon1- pletely obviating manual labour during:r dye ing: since it enablesl the article to be dyed to be moved about emitinually during the operation. It further presents a very great advantage in the uniformity of dyeing over the whole surface of the Cloth.

Having now described our invention,

what we Claim as new and desire to securev by Letters Patent istl. A dyeing` machine comprising a vat, the front and back walls of which are provided with angles intermediate the tops and bottoms thereof, a cover for the vat ineludingplates forming;V acutel angles with the upper ends of said walls and means to oseillate said vat.

2. A dyeing machine comprising a vat, the front and back walls of which are provided with angles intermediate the tops and bottoms thereof, a removable cover for the vat having concave plates which combine with said walls to form a rounded acute angle7 a pivotal mounting for said vat, and means to oseillate said vat about its pivot.

In testimony whereof, we have affixed our signatures.

EUGENE CONSTANT. LOUIS CONSTANT. 

